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Forty-four consecutive SSc patients [<jats:italic>F<\/jats:italic>\u2009=\u200937, median age 53.5\u00a0years (IQR 43.5\u201358)] were examined using chest high-resolution computed tomography (HRCT), pulmonary function tests and cardiopulmonary exercise testing (CPET). The CWMA was evaluated at the level of the ninth thoracic vertebra on CT images by two independent evaluators blinded to the patient information. CPET parameters analyzed were maximum oxygen uptake (VO2 max) and VO2 at anaerobic threshold (VO<jats:sub>2<\/jats:sub>@AT); minute ventilation (VE); maximum tidal volume (VT). A statistically significant positive correlation was found between CWMA and maximum workload (r\u2009=\u20090.470, <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.01), VO2 max ml\/min (<jats:italic>r<\/jats:italic>\u2009=\u20090.380, <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.01), VO2@AT (<jats:italic>r<\/jats:italic>\u2009=\u20090.343, <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.05), VE (<jats:italic>r<\/jats:italic>\u2009=\u20090.308, <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.05), VT (<jats:italic>r<\/jats:italic>\u2009=\u20090.410, <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.01) and VO2\/heart rate (<jats:italic>r<\/jats:italic>\u2009=\u20090.399, <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.01). In multiple regression analysis, VO2 max (ml\/min) was significantly associated with CWMA [<jats:italic>\u03b2<\/jats:italic> coefficient\u2009=\u20095.226 (95% CI 2.824, 7.628); <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.001], diffusing capacity for carbon monoxide (DLco) [<jats:italic>\u03b2<\/jats:italic> coefficient\u2009=\u20096.749 (95% CI 1.460, 12.039); <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.05] and body mass index (BMI) [<jats:italic>\u03b2<\/jats:italic> coefficient\u2009=\u200941.481 (95% CI 8.802, 74.161); <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.05]. In multiple regression analysis, maximum workload was significantly associated with CWMA [<jats:italic>\u03b2<\/jats:italic> coefficient\u2009=\u20090.490 (95% CI 0.289, 0.691); <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.001], DLco [<jats:italic>\u03b2<\/jats:italic> coefficient\u2009=\u20090.645 (95% CI 0.202, 1.088); <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.01] and BMI [<jats:italic>\u03b2<\/jats:italic> coefficient\u2009=\u20093.747 (95% CI 1.013, 6.842); <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.01]. In SSc-patients without ILD, CWMA represents an important variable in exercise capacity and can be evaluated by the mediastinal window available in the HRCT images required for lung disease staging.<\/jats:p>","DOI":"10.1007\/s11739-024-03751-z","type":"journal-article","created":{"date-parts":[[2024,9,19]],"date-time":"2024-09-19T11:13:26Z","timestamp":1726744406000},"page":"87-94","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Chest wall muscle area, ventilatory efficiency and exercise capacity in systemic sclerosis"],"prefix":"10.1007","volume":"20","author":[{"given":"Nicola","family":"Galea","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Amalia","family":"Colalillo","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Serena","family":"Paciulli","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chiara","family":"Pellicano","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Martina","family":"Giannetti","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Emanuele","family":"Possente","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gregorino","family":"Paone","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Antonella","family":"Romaniello","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Maurizio","family":"Muscaritoli","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Edoardo","family":"Rosato","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2015-765X","authenticated-orcid":false,"given":"Antonietta","family":"Gigante","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2024,9,17]]},"reference":[{"issue":"11","key":"3751_CR1","doi-asserted-by":"publisher","first-page":"1273","DOI":"10.1513\/AnnalsATS.201808-544ED","volume":"15","author":"KC Meyer","year":"2018","unstructured":"Meyer KC (2018) Scleroderma with fibrosing interstitial lung disease: where do we stand? 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